Among the red canister variety of gelatin, there are yet even more decisions to be made! You have two options: kosher or porcine. Kosher meaning, pig-free and from cows only, and porcine which is primarily from pig parts (hide and bones).
A parallel port is an interface allowing a personal computer (PC) to transmit or receive data down multiple bundled cables to a peripheral device such as a printer. The most common parallel port is a printer port known as the Centronics port.
IEEE 1284 is a standard that defines bi-directional parallel communications between computers and other devices. It was originally developed in the 1970s by Centronics, and was widely known as the Centronics port, both before and after its IEEE standardization.